143730450 has 120 divisors (see below), whose sum is σ = 416991168. Its totient is φ = 36637920.

The previous prime is 143730401. The next prime is 143730451. The reversal of 143730450 is 54037341.

143730450 is a `hidden beast` number, since 143 + 73 + 0 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (143730451) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 92379 + ... + 93921.

Almost surely, 2^143730450 is an apocalyptic number.

143730450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143730450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208495584).

143730450 is an abundant number, since it is smaller than the sum of its proper divisors (273260718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143730450 is a wasteful number, since it uses less digits than its factorization.

143730450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 143730450 is about 11988.7634892010. The cubic root of 143730450 is about 523.8210278793.

Adding to 143730450 its reverse (54037341), we get a palindrome (197767791).

The spelling of 143730450 in words is "one hundred forty-three million, seven hundred thirty thousand, four hundred fifty".